CN204981483U - Coking wastewater optimization processing device - Google Patents
Coking wastewater optimization processing device Download PDFInfo
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- CN204981483U CN204981483U CN201520431085.9U CN201520431085U CN204981483U CN 204981483 U CN204981483 U CN 204981483U CN 201520431085 U CN201520431085 U CN 201520431085U CN 204981483 U CN204981483 U CN 204981483U
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- 238000004939 coking Methods 0.000 title claims abstract description 61
- 238000005457 optimization Methods 0.000 title claims abstract description 11
- 239000002351 wastewater Substances 0.000 title abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 79
- 238000000034 method Methods 0.000 claims abstract description 49
- 230000008569 process Effects 0.000 claims abstract description 44
- 230000001112 coagulating effect Effects 0.000 claims abstract description 6
- 239000002894 chemical waste Substances 0.000 claims description 53
- 238000005188 flotation Methods 0.000 claims description 8
- 238000001556 precipitation Methods 0.000 claims description 6
- 238000005276 aerator Methods 0.000 claims description 4
- 239000000945 filler Substances 0.000 claims description 4
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 3
- 239000010802 sludge Substances 0.000 abstract description 19
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 8
- 239000001301 oxygen Substances 0.000 abstract description 6
- 229910052760 oxygen Inorganic materials 0.000 abstract description 6
- 229910021529 ammonia Inorganic materials 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000007781 pre-processing Methods 0.000 abstract description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 5
- 238000004062 sedimentation Methods 0.000 abstract 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 25
- 239000003921 oil Substances 0.000 description 15
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 description 12
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 9
- 238000009826 distribution Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 244000005700 microbiome Species 0.000 description 5
- 230000015271 coagulation Effects 0.000 description 4
- 238000005345 coagulation Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000010865 sewage Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000006396 nitration reaction Methods 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical compound N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002957 persistent organic pollutant Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- JVMRPSJZNHXORP-UHFFFAOYSA-N ON=O.ON=O.ON=O.N Chemical compound ON=O.ON=O.ON=O.N JVMRPSJZNHXORP-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- ZMZDMBWJUHKJPS-UHFFFAOYSA-M Thiocyanate anion Chemical compound [S-]C#N ZMZDMBWJUHKJPS-UHFFFAOYSA-M 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 150000001491 aromatic compounds Chemical class 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005842 biochemical reaction Methods 0.000 description 1
- 238000006065 biodegradation reaction Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- ZMZDMBWJUHKJPS-UHFFFAOYSA-N hydrogen thiocyanate Natural products SC#N ZMZDMBWJUHKJPS-UHFFFAOYSA-N 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 230000002906 microbiologic effect Effects 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Physical Water Treatments (AREA)
Abstract
The utility model relates to a coking wastewater optimization processing device, include the good oxygen pond of preprocessing device, equalizing basin, 1#, a heavy pond, anaerobism pond, the good oxygen pond of 2#, two heavy pond, coagulating sedimentation tank and the advanced treatment ponds that connect gradually through the coking wastewater pipeline, preprocessing device comprises oil interceptor and air supporting pond, and the delivery port of coking wastewater ammonia still process process is connected to its water inlet, the equalizing basin passes through the front end water inlet in coking wastewater pipe connection anaerobism pond in addition, one sinks the pond connects the good oxygen pond of 1# through sludge return pipe no. 1 in addition, and two sink ponds do not connects the good oxygen pond of 1#, the anaerobism pond oxygen pond of going with 2# through sludge return pipe no. 2, sludge return pipe no. 3 and sludge return pipe quartering in addition. The utility model discloses the process route is short, and equipment investment cost is low, and the treatment effeciency is high, and the effect is stable, energy saving and consumption reduction, and economic benefits and social are showing.
Description
Technical field
The utility model relates to industrial waste water treatment, particularly relates to a kind of coking chemical waste water optimization process device.
Background technology
Coking chemical waste water results from coking, gas-making process and Chemicals removal process, and its water quality is complicated, generation is comparatively large, toxicity is large, seriously polluted.Except containing except the mineral compound such as ammonia nitrogen, thiocyanide, sulfide, prussiate in sewage, also containing, for example phenol, naphthalene, pyridine, quinoline etc. mainly with monocycle or polycyclc aromatic compound and nitrogenous, sulphur, oxygen heterocycle organic pollutant, be one of unmanageable industrial sewage.
At present, technology both at home and abroad for coked waste water process mainly adopts A/O or A2/O technique, Nitrogen Removal Mechanism is complete nitrification and denitrification, but above-mentioned technique also exists many drawbacks, is mainly manifested in: 1) denitrification percent limits by mixed liquid recycle ratio, former water is by the restriction of C/N ratio, therefore, need vast scale nitrification liquid to be back to the denitrogenation of denitrification pond, power consumption is large, and actual sewage hydraulic detention time is short; 2) because coked waste water C/N is than low, need additional carbon to maintain denitrification denitrogenation; 3) technical process is long, and structures are large, and initial cost is high, and floor space is large; 4) processing costs is high.
Summary of the invention
The utility model provides a kind of coking chemical waste water optimization process device, oil first in oil removal, air supporting preprocessing process removal coking chemical waste water, reduce ammonia nitrogen, COD index, then water distribution makes it reach biochemical treatment standard, again after 1# Aerobic Pond, a heavy pond, anaerobic pond, 2# Aerobic Pond, second pond, a series of process of coagulative precipitation tank and advanced treatment pond, effluent quality is made to reach emission standard; Its operational path is short, and processing efficiency is high, effect stability, energy-saving and cost-reducing, economic benefit and social benefit remarkable.
In order to achieve the above object, the utility model realizes by the following technical solutions:
A kind of coking chemical waste water optimization process device, comprise connected successively by coking chemical waste water pipeline pretreatment unit, equalizing tank, 1# Aerobic Pond, a heavy pond, anaerobic pond, 2# Aerobic Pond, second pond, coagulative precipitation tank and advanced treatment pond, described pretreatment unit is made up of oil trap and air flotation pool, and its water-in connects the water outlet of coking chemical waste water ammonia still process; Equalizing tank connects the front end water-in of anaerobic pond additionally by coking chemical waste water pipeline; One heavy pond connects 1# Aerobic Pond additionally by mud return line one, and second pond is connected 1# Aerobic Pond, anaerobic pond and 2# Aerobic Pond respectively additionally by mud return line two, mud return line three and mud return line four.
Establish respectively at the bottom of described equalizing tank, 1# Aerobic Pond and 2# Aerobic Pond pond and revolve mixed aerator, be connected with gas blower respectively by gas pipeline.
Elastic filler is adopted in described 2# Aerobic Pond.
Compared with prior art, the beneficial effects of the utility model are:
1) waste water entering into biochemical treatment section enters into 1# Aerobic Pond and anaerobic pond in proportion respectively, all waste water is all entered into compared with the way of Aerobic Pond with traditional, obviously can reduce the impact load to Aerobic Pond, more be conducive to the growth of Microbial Communities in Activated Sludge; Meanwhile, a small amount of waste water enters into anaerobic pond, effectively can supplement carbon source required in anaerobic pond, more be conducive to the carrying out of anti-nitration reaction;
2) sludge reflux in a heavy pond is in 1# Aerobic Pond, more be conducive to the cultivation of nitrated bacterial classification, too increase the sludge concentration of 1# Aerobic Pond simultaneously, and then increase the degradation capability of 1# Aerobic Pond COD, thus alleviate the load of 2# Aerobic Pond and ensure the normal growth of its nitrifier; 1# Aerobic Pond also possesses adsorption biodegradation A section characteristic simultaneously, and load is high, and the time in microorganism epoch is short, and active high, sludge output rate is high, and active sludge is based on bacterium, and microorganism adsorption is strong;
3) biochemical treatment process of the present utility model by each step of reaction organic combination together, each biological flora is relatively independent, under the effect of exclusive microorganism, in coking chemical waste water, the pollutent such as COD, NH3-N, phenol and prussiate completes the biochemical reaction processes such as acidifying, hydrolysis, denitrogenation, de-carbon respectively, processing efficiency is high, effect stability;
4) 2# Aerobic Pond adopts elastic filler, and active sludge sludge bulking can not occur, and outlet effect is good, and SS is lower, the cost of subsequent disposal is reduced, and this section of organic loading is lower, is applicable to nitrated growth, improves NH_3-N treating effect;
5) the water outlet COD after process, ammonia nitrogen, phenol, cyanogen, wet goods index all can reach the emission standard of national regulation, and operational path is short, and cost of investment is low, energy-saving and cost-reducing, economic benefit and social benefit remarkable.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further:
See Fig. 1, it is structural representation of the present utility model, a kind of coking chemical waste water optimization process of the utility model device, comprise connected successively by coking chemical waste water pipeline pretreatment unit, equalizing tank, 1# Aerobic Pond, a heavy pond, anaerobic pond, 2# Aerobic Pond, second pond, coagulative precipitation tank and advanced treatment pond, described pretreatment unit is made up of oil trap and air flotation pool, and its water-in connects the water outlet of coking chemical waste water ammonia still process; Equalizing tank connects the front end water-in of anaerobic pond additionally by coking chemical waste water pipeline; One heavy pond connects 1# Aerobic Pond additionally by mud return line one, and second pond is connected 1# Aerobic Pond, anaerobic pond and 2# Aerobic Pond respectively additionally by mud return line two, mud return line three and mud return line four.
Establish respectively at the bottom of described equalizing tank, 1# Aerobic Pond and 2# Aerobic Pond pond and revolve mixed aerator, be connected with gas blower respectively by gas pipeline.
Elastic filler is adopted in described 2# Aerobic Pond.
The technological process of a kind of coking chemical waste water of the utility model optimization process device is as follows:
To refine etc. the coking chemical waste water of technological process from coking, gas purification and Chemicals, water quality is: COD5000-7000mg/L, ammonia nitrogen 500-1200mg/L, volatile phenol 300-500mg/L, cyanogen 10-30mg/L; After ammonia still process, ammonia nitrogen reduces to 200-500mg/L; First stop 1.5 ~ 2 hours in oil trap, remove the light oil in coking chemical waste water and heavy oil, the ammonia nitrogen in coking chemical waste water is reduced again through air-flotation process, coking chemical waste water water quality after oil removal, air-flotation process is: COD < 4000mg/L, ammonia nitrogen < 300mg/L, oily < 30mg/L, SS < 10mg/L, phenol < 100mg/L, cyanogen < 20mg/L;
Coking chemical waste water through oil removal, air-flotation process is entered equalizing tank and carry out water distribution in the low index water such as ratio and sanitary wastewater of 1 ~ 1.2:1, coking chemical waste water COD < 2000mg/L after water distribution, ammonia nitrogen < 150mg/L, pH value is 6 ~ 9; Wherein 70% coking chemical waste water enters into 1# Aerobic Pond, remains the front end water-in that 30% coking chemical waste water directly enters anaerobic pond; Coking chemical waste water HRT in 1# Aerobic Pond is 40-45 hour, and in a heavy pond, HRT is 4-5 hour, and in anaerobic pond, HRT is 40-43 hour, and in 2# Aerobic Pond, HRT is 30-32 hour, and in second pond, HRT is 4-5 hour;
Enter coagulative precipitation tank from second pond coking chemical waste water out, add PAM anionic flocculant by 0.1 ~ 0.2g/ ton, add PAC flocculation agent by 1 ~ 2g/ ton, reduce the ammonia nitrogen in waste water and COD index further; Then penetration depth treating pond adopts ozone to carry out desolventing technology to coking chemical waste water; After above step process, final coking chemical waste water effluent quality is COD < 80mg/L, ammonia nitrogen < 10mg/L, volatile phenol < 0.3mg/L, cyanogen < 0.2mg/L, oil and suspended substance are removed substantially, and water-quality guideline reaches emission standard.
One heavy pond sludge reflux is to 1# Aerobic Pond, and its return sludge ratio is 100%; Second pond mud is back to 1# Aerobic Pond, anaerobic pond and 2# Aerobic Pond respectively, and its return sludge ratio is 100 ~ 200%.
Described 1# Aerobic Pond adopts activated sludge process, and 2# Aerobic Pond adopts paper mill effluent; All establish at the bottom of 1# Aerobic Pond and 2# Aerobic Pond pond and revolve mixed aerator, adopt blast aeration mode.
In 1# Aerobic Pond, coking chemical waste water after pretreatment under the effect of aerobic microbiological, degraded water body in organic pollutant; Ammonia nitrogen pollutant in water body is converted into nitrite nitrogen simultaneously, namely there occurs short distance nitration reaction;
This process principal reaction is: NH
4++ 2HCO
3-+3/2O
2→ NO
2-+H
2o+2H
2cO
3;
By the accumulation of nitrite, coking chemical waste water carries out anti-nitration reaction in anaerobic pond, thus is N by ammonia nitrogen or Nitrite transformation
2;
This process principal reaction is: NO
2-+NH
4+ → N
2+ 2H
2o;
In 2# Aerobic Pond, removed the organism in coking chemical waste water further by the Degradation of supporting well microorganism.The waste water entering denitrogenation section promotes through pump to deliver in pond, and by perforation water distributor water distribution uniformity, water outlet adopts and evenly goes out gutter channel.
Following examples are implemented under premised on technical solutions of the utility model, give detailed embodiment and concrete operating process, but protection domain of the present utility model are not limited to following embodiment.In following embodiment, method therefor is ordinary method if no special instructions.
[embodiment]
In the present embodiment, coking chemical waste water is from the water of productive use in coke oven gas primary-cooling and coking production process and vapor condensation waste water, and its water quality is COD:5000-7000mg/L, ammonia nitrogen: 500-1200mg/L, volatile phenol: 300-500mg/L, cyanogen: 10-30mg/L.Significantly decrease through pretreated coking chemical waste water index ammonia nitrogens such as ammonia still processs, and be 200-500mg/L, the change of other indexs is little.
Coking chemical waste water after ammonia still process process enters into oil removal, the biochemical pretreatment system of air supporting, with the light oil in oil trap removal coking chemical waste water and heavy oil, remove the oil be suspended in water with air flotation pool, and coordinate coagulation pretreatment together to reduce ammonia nitrogen, COD in coking chemical waste water.Wherein oil trap is with distributing trough, agitator and skimming plant, and the coking chemical waste water residence time is 1.5 hours.Air flotation pool is with microbubble generator, coagulation dosing device, scraping machine and subsurface trapping system.Coking chemical waste water through the pretreated effluent quality of above-mentioned biochemistry is: COD < 4000mg/L, ammonia nitrogen < 300mg/L, oily < 30mg/L, SS < 10mg/L.
In equalizing tank, 1:1 water distribution is carried out, the coking chemical waste water COD < 2000mg/L after water distribution, ammonia nitrogen < 150mg/L through biochemical pretreated coking chemical waste water.Then coking chemical waste water enters into 1# Aerobic Pond, and 1# Aerobic Pond adopts activated sludge process, and it runs pH value be 6-9, DO be 2.0-4.5, HRT is 45 hours.Through the process of 1# Aerobic Pond, in water outlet, the clearance of COD can reach 60-80%, and the clearance of ammonia nitrogen can reach 50-70%; I.e. coking chemical waste water COD < 600mg/L, ammonia nitrogen < 60mg/L.
The muddy water mixed solution flowed out from 1# Aerobic Pond flow in a heavy pond, reflux, and return sludge ratio is 100% to the active sludge settled down.The sludge concentration in 1# Aerobic Pond can be increased like this, living microorganism is grown preferably, also can improve the removal efficiency of ammonia nitrogen and COD in coking chemical waste water simultaneously.
Enter into anaerobic pond from the supernatant liquor of heavy pond after precipitation process equably by water distributor, it runs pH value be 8-10, DO be 0.2-0.5, HRT is 43 hours.The clearance of the water outlet COD after anaerobic pond process can reach 20-40% on last stage, and ammonia nitrogen also decreases; In the present embodiment, this stage coking chemical waste water COD < 420mg/L, ammonia nitrogen < 50mg/L.
The coking chemical waste water flowed out from anaerobic pond flow in 2# Aerobic Pond, and 2# Aerobic Pond adopts paper mill effluent, and it runs pH value be 6-9, DO be 2.0-4.5, HRT is 32 hours.Through the process of 2# Aerobic Pond, the clearance of water outlet COD can reach 70-80% on last stage, and the clearance of ammonia nitrogen can reach 60-80% on last stage; This stage coking chemical waste water COD < 105mg/L, ammonia nitrogen < 15mg/L in the present embodiment.
Finally the water outlet of second pond is further processed, i.e. coagulation dosing and advanced treatment.Coagulation dosing adds the medicaments such as PAM, PAC in coking chemical waste water, uses the method for materialization can reduce ammonia nitrogen in waste water and COD index further like this.Advanced treatment utilizes ozone to carry out desolventing technology to sewage, and its decolorizing effect is obvious.
Finally, the present embodiment coking chemical waste water is after above a series for the treatment of processes, its water outlet COD < 80mg/L, ammonia nitrogen < 10mg/L, volatile phenol < 0.3mg/L, cyanogen < 0.2mg/L, oil and suspended substance are removed substantially, and water-quality guideline reaches discharging standards.
Claims (3)
1. a coking chemical waste water optimization process device, it is characterized in that, comprise connected successively by coking chemical waste water pipeline pretreatment unit, equalizing tank, 1# Aerobic Pond, a heavy pond, anaerobic pond, 2# Aerobic Pond, second pond, coagulative precipitation tank and advanced treatment pond, described pretreatment unit is made up of oil trap and air flotation pool, and its water-in connects the water outlet of coking chemical waste water ammonia still process; Equalizing tank connects the front end water-in of anaerobic pond additionally by coking chemical waste water pipeline; One heavy pond connects 1# Aerobic Pond additionally by mud return line one, and second pond is connected 1# Aerobic Pond, anaerobic pond and 2# Aerobic Pond respectively additionally by mud return line two, mud return line three and mud return line four.
2. a kind of coking chemical waste water optimization process device according to claim 1, is characterized in that, establishes respectively and revolves mixed aerator, be connected respectively by gas pipeline with gas blower at the bottom of described equalizing tank, 1# Aerobic Pond and 2# Aerobic Pond pond.
3. a kind of coking chemical waste water optimization process device according to claim 1, is characterized in that, adopt elastic filler in described 2# Aerobic Pond.
Priority Applications (1)
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|---|---|---|---|
| CN201520431085.9U CN204981483U (en) | 2015-06-18 | 2015-06-18 | Coking wastewater optimization processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520431085.9U CN204981483U (en) | 2015-06-18 | 2015-06-18 | Coking wastewater optimization processing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104944703A (en) * | 2015-06-18 | 2015-09-30 | 中环辽宁工程技术股份有限公司 | Coking wastewater optimizing treatment process and device |
| CN110127930A (en) * | 2018-02-08 | 2019-08-16 | 绍兴华杰环保有限公司 | A kind of water-jet loom effluent treating and reusing process and its complete set of equipments |
-
2015
- 2015-06-18 CN CN201520431085.9U patent/CN204981483U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104944703A (en) * | 2015-06-18 | 2015-09-30 | 中环辽宁工程技术股份有限公司 | Coking wastewater optimizing treatment process and device |
| CN110127930A (en) * | 2018-02-08 | 2019-08-16 | 绍兴华杰环保有限公司 | A kind of water-jet loom effluent treating and reusing process and its complete set of equipments |
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